AB
Algorithms (4)
R2 U' S R2 S' R2 U R2
My choice
10 HTM · 8 STM · 14 QTM
3-gen
rotationless
<U,R,S>
One hand: needs L, B, S or E
BLDDB, on 37 solvers' sheets
R2 U R2 S R2 S' U' R2
10 HTM · 8 STM · 14 QTM
3-gen
rotationless
<U,R,S>
One hand: needs L, B, S or E
BLDDB, on 11 solvers' sheets
U M2 U' M U2 M' U' M2 U'
13 HTM · 9 STM · 18 QTM
2-gen
rotationless
oh
<U,M>
One hand: R, U and M
BLDDB, on 7 solvers' sheets
U R2 U R U R' U' R' U' R' U R' U'
13 HTM · 13 STM · 14 QTM
2-gen
rotationless
oh
<U,R>
One hand: R and U only
BLDDB, on 5 solvers' sheets
How this case is verified
The case is the source's setup (or, where it has none, another source algorithm reversed). Setup: R2 U S R2 S' R2 U' R2. Every algorithm above was run by our logic engine from that state and reaches "solved".